Table 1. Pyrazine Formation by 1,2-Diol and Ammoniaa.
Reaction conditions: Catalyst 1 (0.01 mmol), 1,2-diol (1 mmol), ammonia (7 bar), 150 °C (bath temp), 36 h, toluene (2 mL).
Isolated yield.
GC-MS yield with mesitylene as internal standard.
Hydrogenated product.